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Tiktok Viral Jfast 3724fsws - 3/8-16x1 1/2 Slot Indent Hex Washer Serrated Thread Cut Screw Type F Full Thread Zinc Bake, Case Quantity: 700 Best Choice [Cyk9tfh1]

$60.99 $195.99 -69%

JFAST 3724FSWS Thread Cutting Screws JFAST 3724FSWS Thread Cutting Screws are designed for high-performance applications where precision and durability are paramount. These screws are part of the JFAST family, known for their exceptional quality and

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Tiktok Viral Jfast 3724fsws - 3/8-16x1 1/2 Slot Indent Hex Washer Serrated Thread Cut Screw Type F Full Thread Zinc Bake, Case Quantity: 700 Best Choice [Cyk9tfh1]

JFAST 3724FSWS Thread Cutting Screws

JFAST 3724FSWS Thread Cutting Screws are designed for high-performance applications where precision and durability are paramount. These screws are part of the JFAST family, known for their exceptional quality and reliability. With a case quantity of 700, this product is ideal for bulk orders or large-scale projects. The 3/8-16X1 1/2 size and Type F design make them versatile for various industrial and mechanical applications.

  • Full Thread design ensures maximum holding power and load distribution.
  • Hex Washer Head provides a secure grip and easy installation.

Key Features and Specifications

These thread cutting screws are crafted from high-quality steel and finished with zinc bake for superior corrosion resistance. The Slotted drive style allows for easy installation with standard hex wrenches. Here are some of the key features and specifications:
  • Size: 3/8-16
  • Length: 1 1/2"
  • Head Style: Hex Washer Head
  • Drive Style: Slotted
  • Material: Steel
  • Finish: Zinc Bake
The full thread design and full thread cut screw type provide exceptional strength and reliability, making them suitable for demanding applications.

Practical Applications

The JFAST 3724FSWS Thread Cutting Screws are widely used in various industries, including automotive, aerospace, construction, and manufacturing. Their superior quality and robust design make them ideal for applications such as:
  • Engine assembly and repair
  • Machine tool assembly
  • Structural components
With their ability to cut threads on the fly, these screws offer significant time and cost savings during installation. The zinc bake finish ensures long-lasting performance in harsh environments.

What Our Customers Say

January 23, 2026

Absolutely no complaints!

A great investment.

- Samantha M..

January 23, 2026

Absolutely no complaints!

A very good tool for the job.

- Doris F..

January 23, 2026

Absolutely no complaints!

A really good item. I love it.

- Connie V..

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